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Reithmaier, Gloria Maria Susanne; Maher, Damien T (2020): Porewater profiles of reactive iron, sulfide and total alkalinity in mangroves (Karumba, Australia and Everglades, USA) [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.921929, In: Reithmaier, GMS; Maher, DT (2020): Soil profiles of pyrite, including underlying drivers, in coastal vegetated habitats [dataset bundled publication]. PANGAEA, https://doi.org/10.1594/PANGAEA.921934

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Keyword(s):
Carbon; CRS; iron; mangroves; pyrite; Sulfur
Supplement to:
Reithmaier, Gloria Maria Susanne; Johnston, Scott G; Junginger, Tobias; Goddrad, Madeline M; Sanders, Christian J; Hutley, Lindsay B; Ho, David T; Maher, Damien T (in review): Alkalinity production coupled to pyrite formation represents unaccounted blue carbon sink. Global Biogeochemical Cycles
Further details:
American Public Health Association (APHA) (2005): Standard methods for the examination of water and wastewater. Baltimore, MD: American Public Health Association – American Water Works Association
Cline, J D (1969): Spectrophotometric determination of hydrogen sulfide in natural waters. Limnology and Oceanography, 14, 454-458, https://doi.org/10.4319/lo.1969.14.3.0454
Dickson, Andrew G (2010): Standards for Ocean Measurements. Oceanography, 23(3), 34-47, https://doi.org/10.5670/oceanog.2010.22
Coverage:
Median Latitude: 0.926490 * Median Longitude: -150.105575 * South-bound Latitude: -23.509490 * West-bound Longitude: 140.873550 * North-bound Latitude: 25.362470 * East-bound Longitude: -81.084700
Minimum DEPTH, sediment/rock: -0.900 m * Maximum DEPTH, sediment/rock: -0.025 m
Event(s):
Everglades  * Latitude: 25.362470 * Longitude: -81.084700 * Location: Florida, USA * Method/Device: Auger (AUG)
Karumba  * Latitude: -23.509490 * Longitude: 140.873550 * Location: Queensland, Australia * Method/Device: Auger (AUG)
Comment:
Porewater Fe²⁺, FeTot and sulfide (S²⁻) were measured by spectrophotometry. The 1,10-phenanthroline method was used to determine porewater Fe²⁺ and, after reducing Fe³⁺ by adding hydroxylamine, FeTot (APHA, 2005). Aqueous S⁻² was analysed using the methylene blue method (Cline, 1969). Groundwater total alkalinity was determined by a Gran titration using a titrator (Metrohm 888 Titrando with Tiamo light) with a precision better than 5 µM. Drifts and deviations in the acid concentration were corrected using certified reference materials (CRM batch 175 and CRM batch 178), as described by Dickson (2010).
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
1 Event labelEventReithmaier, Gloria Maria Susanne
2 Latitude of eventLatitudeReithmaier, Gloria Maria Susanne
3 Longitude of eventLongitudeReithmaier, Gloria Maria Susanne
4 CoreCoreReithmaier, Gloria Maria Susanne
5 Sample IDSample IDReithmaier, Gloria Maria Susanne
6 DEPTH, sediment/rockDepth sedmReithmaier, Gloria Maria SusanneGeocode
7 Iron 2+Fe2+µmol/lReithmaier, Gloria Maria SusannePhotospectrometer, 1,10-Phenanthroline
8 IronFeµmol/lReithmaier, Gloria Maria SusannePhotospectrometer, 1,10-Phenanthroline
9 SulfideS2-µmol/lReithmaier, Gloria Maria SusannePhotometer, methylene blue (Cline, 1969)aequeous
10 Alkalinity, totalATµmol/kgReithmaier, Gloria Maria SusanneAlkalinity, Gran titration (Gran, 1950)
License:
Creative Commons Attribution 4.0 International (CC-BY-4.0)
Size:
240 data points

Data

Download dataset as tab-delimited text — use the following character encoding:

1 
Event		2 
Latitude		3 
Longitude		4 
Core		5 
Sample ID		6 
Depth sed [m]		7 
Fe2+ [µmol/l]		8 
Fe [µmol/l]		9 
S2- [µmol/l]		10 
AT [µmol/kg]
Karumba -23.5095140.8735K2K2 -2.5-0.0250.943.18134.8
Karumba-23.5095140.8735K2K2 -10-0.1005.212365.229613.5
Karumba-23.5095140.8735K2K2 -15-0.1505.216342.551942.3
Karumba-23.5095140.8735K2K2 -20-0.2005.132470.938765.6
Karumba-23.5095140.8735K2K2 -25-0.2502.825695.142825.8
Karumba-23.5095140.8735K2K2 -40-0.4000.928542.636976.6
Karumba-23.5095140.8735K2K2 -50-0.5001.016369.039147.9
Karumba-23.5095140.8735K4K4 -5-0.0500.161.580.42438.9
Karumba-23.5095140.8735K4K4 -10-0.1000.373.160.15268.4
Karumba-23.5095140.8735K4K4 -15-0.15029.46109.440.61368.1
Karumba-23.5095140.8735K4K4 -20-0.20021.37239.510.22599.6
Karumba-23.5095140.8735K4K4 -25-0.2500.683.590.211330.6
Karumba-23.5095140.8735K4K4 -30-0.30030.49102.804.112447.0
Karumba-23.5095140.8735K4K4 -40-0.40057.15250.1840.523520.7
Karumba-23.5095140.8735K4K4 -50-0.5004.5459.184108.938607.5
Karumba-23.5095140.8735K4K4 -60-0.60024.0959.184036.338002.3
Karumba-23.5095140.8735K4K4 -75-0.75020.7750.055674.638093.9
Karumba-23.5095140.8735K4K4 -90-0.90016.8841.077438.436807.7
Everglades 25.3625-81.0847E1SR 5-0.0500.301.317279.1
Everglades25.3625-81.0847E1SR10-0.1000.795.467340.0
Everglades25.3625-81.0847E1SR 15-0.1500.545.786806.5
Everglades25.3625-81.0847E1SR 20-0.2000.170.746646.3
Everglades25.3625-81.0847E1SR 25-0.2501.043.456795.0
Everglades25.3625-81.0847E1SR 30-0.3001.092.20
Everglades25.3625-81.0847E1SR 35-0.3500.541.378639.6
Everglades25.3625-81.0847E1SR 40-0.4001.772.579569.6
Everglades25.3625-81.0847E1SR 45-0.4500.791.378774.0
Everglades25.3625-81.0847E1SR 50-0.5000.791.317596.7
Everglades25.3625-81.0847E1SR 55-0.5501.281.249292.0
Everglades25.3625-81.0847E1SR 60-0.6001.191.129012.8
Everglades25.3625-81.0847E3GI 5-0.0501.9015.397628.3
Everglades25.3625-81.0847E3GI 10-0.1001.774.839283.3
Everglades25.3625-81.0847E3GI 15-0.1501.654.399012.5
Everglades25.3625-81.0847E3GI 20-0.2001.041.0512778.6
Everglades25.3625-81.0847E3GI 25-0.2501.041.1214840.1
Everglades25.3625-81.0847E4TB 10-0.1001.8124.581344.8
Everglades25.3625-81.0847E4TB 15-0.1501.934.903236.4
Everglades25.3625-81.0847E4TB 20-0.2000.5812.984038.9
Everglades25.3625-81.0847E4TB 25-0.2504.8814.074649.2
Everglades25.3625-81.0847E4TB 30-0.3006.7918.795272.2
Everglades25.3625-81.0847E4TB 35-0.3504.7012.275822.0
Everglades25.3625-81.0847E4TB 40-0.4001.693.526088.0
Everglades25.3625-81.0847E4TB 45-0.4502.397.794908.3
Everglades25.3625-81.0847E4TB 50-0.5000.390.625280.3
Everglades25.3625-81.0847E4TB 55-0.5500.390.705024.6
Everglades25.3625-81.0847E4TB 60-0.6000.581.054687.1